{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["protein", "DNA", "cell type", "cell line", "RNA"], "input": "To examine the role of protein phosphatases in T cell activation , Jurkat cells were treated with okadaic acid , an inhibitor of type 1 and 2A phosphatases , and nuclear extracts were examined for the presence of AP1 as a measure of early T cell activation ."}
{"protein": ["protein phosphatases", "AP1"], "DNA": [], "cell type": [], "cell line": ["Jurkat cells"], "RNA": []}